提交 4dddb6fb 编写于 作者: A Alvin Lee 提交者: openeuler-sync-bot

drm/amd/display: For stereo keep "FLIP_ANY_FRAME"

stable inclusion
from stable-v5.10.141
commit 4e5e67b13a040baff5ec265ae32b754e4776d723
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I685FC

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=4e5e67b13a040baff5ec265ae32b754e4776d723

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[ Upstream commit 84ef99c7 ]

[Description]
Observed in stereomode that programming FLIP_LEFT_EYE
can cause hangs. Keep FLIP_ANY_FRAME in stereo mode so
the surface flip can take place before left or right eye
Reviewed-by: NMartin Leung <Martin.Leung@amd.com>
Acked-by: NTom Chung <chiahsuan.chung@amd.com>
Signed-off-by: NAlvin Lee <alvin.lee2@amd.com>
Tested-by: NDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NJialin Zhang <zhangjialin11@huawei.com>
Reviewed-by: NZheng Zengkai <zhengzengkai@huawei.com>
(cherry picked from commit 0ab44b5d)
上级 0ca80005
...@@ -86,7 +86,7 @@ bool hubp3_program_surface_flip_and_addr( ...@@ -86,7 +86,7 @@ bool hubp3_program_surface_flip_and_addr(
VMID, address->vmid); VMID, address->vmid);
if (address->type == PLN_ADDR_TYPE_GRPH_STEREO) { if (address->type == PLN_ADDR_TYPE_GRPH_STEREO) {
REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_MODE_FOR_STEREOSYNC, 0x1); REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_MODE_FOR_STEREOSYNC, 0);
REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_IN_STEREOSYNC, 0x1); REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_IN_STEREOSYNC, 0x1);
} else { } else {
......
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